75880155 has 48 divisors (see below), whose sum is σ = 135185760. Its totient is φ = 36301824.

The previous prime is 75880117. The next prime is 75880159. The reversal of 75880155 is 55108857.

It is not a de Polignac number, because 75880155 - 2¹⁴ = 75863771 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75880159) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93391 + ... + 94199.

It is an arithmetic number, because the mean of its divisors is an integer number (2816370).

Almost surely, 2^75880155 is an apocalyptic number.

75880155 is a deficient number, since it is larger than the sum of its proper divisors (59305605).

75880155 is a wasteful number, since it uses less digits than its factorization.

75880155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 39.

The square root of 75880155 is about 8710.9215930348. The cubic root of 75880155 is about 423.3595911683.

The spelling of 75880155 in words is "seventy-five million, eight hundred eighty thousand, one hundred fifty-five".